https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13971715Edit ImageSaveSaveEditCropCustom TextSir Richard Owen. Photogravure after H. J. Thaddeus, 1891.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 1160 px | 300 dpiLarge JPEG 2936 x 2839 px | 300 dpiFree DownloadSir Richard Owen. Photogravure after H. J. Thaddeus, 1891.More